Name Andretta James Affiliation پژوهشگر در خارج از ایران Degree _ Website Email — JournalPaper Presentation Speech WorkShop Book Innovation GrantAttraction Thesis Festival FinishedProject Sales Art Membership StandardCreation Publication TheorizingChair TitleJournal 1 Predicting Motivation and Academic Performance based on Expectation-Value Theory by the Mediating Role of Benefit, Situational Cost and Psychological Cost International Journal of Psychology